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Without actually calculating the cubes, find the value of the following:
(–12)3 + (7)3 + (5)3
Concept: undefined >> undefined
Without actually calculating the cubes, find the value of the following:
(28)3 + (–15)3 + (–13)3
Concept: undefined >> undefined
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Give possible expression for the length and breadth of the following rectangle, in which their area are given:
| Area : 25a2 – 35a + 12 |
Concept: undefined >> undefined
Give possible expression for the length and breadth of the following rectangle, in which their area is given:
| Area : 35y2 + 13y – 12 |
Concept: undefined >> undefined
What are the possible expressions for the dimensions of the cuboids whose volume is given below?
| Volume : 3x2 – 12x |
Concept: undefined >> undefined
What are the possible expressions for the dimensions of the cuboids whose volume is given below?
| Volume : 12ky2 + 8ky – 20k |
Concept: undefined >> undefined
Fill in the blanks:
The centre of a circle lies in ____________ of the circle.
Concept: undefined >> undefined
Fill in the blanks:
A point, whose distance from the centre of a circle is greater than its radius lies in __________ of the circle. (exterior/ interior)
Concept: undefined >> undefined
Fill in the blanks:
The longest chord of a circle is a __________ of the circle.
Concept: undefined >> undefined
Fill in the blanks:
An arc is a __________ when its ends are the ends of a diameter.
Concept: undefined >> undefined
Fill in the blanks:
Segment of a circle is the region between an arc and __________ of the circle.
Concept: undefined >> undefined
Fill in the blanks:
A circle divides the plane, on which it lies, in __________ parts.
Concept: undefined >> undefined
Write True or False. Give reason for your answer.
Line segment joining the centre to any point on the circle is a radius of the circle.
Concept: undefined >> undefined
Write True or False. Give reason for your answer.
A circle has only finite number of equal chords.
Concept: undefined >> undefined
Write True or False. Give reasons for your answers.
If a circle is divided into three equal arcs, each is a major arc.
Concept: undefined >> undefined
Write True or False. Give reasons for your answers.
A chord of a circle, which is twice as long as its radius, is a diameter of the circle.
Concept: undefined >> undefined
Write True or False. Give reason for your answer.
Sector is the region between the chord and its corresponding arc.
Concept: undefined >> undefined
Write True or False. Give reason for your answer.
A circle is a plane figure.
Concept: undefined >> undefined
Evaluate the following using identities:
`(2x+ 1/x)^2`
Concept: undefined >> undefined
Evaluate the following using identities:
(2x + y) (2x − y)
Concept: undefined >> undefined
